Home / 8,898.48-13,318.80-6,557.56

Finding the Fourth Proportional to 8,898.48, 13,318.80 and 6,557.56

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Solution

The fourth proportional to 8,898.48, 13,318.80 and 6,557.56 is: 9,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.48 : 13,318.80 = 6,557.56 : x
  2. Step 2: Convert to fraction form
    8,898.48/13,318.80 = 6,557.56/x
  3. Step 3: Cross multiply
    8,898.48x = 13,318.80 × 6,557.56
  4. Step 4: Simplify right side
    8,898.48x = 87,338,830.13
  5. Step 5: Solve for x
    x = 87,338,830.13/8,898.48
  6. Step 6: Final answer
    x = 9,815.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.